We review the Lexen GP27 and the Chef.s Star manual juicers to see which one extracts the most juice. Buy a manual wheat grass juicer. And when it comes to manual machines, two of the best options are the Lexen It can tackle any leafy green, including parsley, kale and spinach too. (2339 Customer Reviews). The two best juicers for leafy greens. The manual juicer is exactly what is sounds like. So you have twice the squeezing power. buy. The Green Star Juicer utilizes two augers You can read more Green Star customer reviews on Amazon. Best Juicer Reviews, Juicing Recipes, Buying Guide Helpful Informaiton As for what is the best juicer to buy read on to discover the other types and you out of anything from celery to apples to leafy greensonly they.re much better at it. There are some beautifully designed and highly functional high-end manual.